Information Security Controls

Contents

Controls Family	High Restricted Data	Medium Sensitive Data	Low Non-Confidential Data	IS-3 Requirement
1. Access control measures for controlled electronic information resources	Required	Required	Required	III.C.2.b IV.A
2. Encrypted transmission of restricted data including passwords	Required	Required	Required	III.C.2.b.i III.C.2.g IV.B
3. Software updates / patch management	Required	Required	Required
4. Malicious software protection (III.C.2.c.iii; IV.D)	Required	Required	Required	(III.C.2.c.iv IV.C)
5. Removal of unnecessary services	Required	Required	Required	IV.E
6. Host-based firewalls	Required	Required	Required	III.C.2.d IV.F
7. No unauthorized email relays	Required	Required	Required	IV.G
8. No unauthorized, unauthenticated proxy servers	Required	Required	Required	IV.H
9. Physical security and session timeout	Required	Required	Required	III.C.2.b.ii III.C.3.b IV.I

Controls Family	High Restricted Data	Medium Sensitive Data	Low Non-Confidential Data
Risk assessment, asset inventory and classification; Identification of systems storing and accessing data (III.B)	Required	Recommended	Recommended
Formal proprietor authorization for sharing data (III.C, 4th paragraph)	Required	Recommended	Optional
Procedures to inform staff of information security responsibilities. (III.C.1.a)	Required	Required	Required
Procedures for providing privileged accounts, review of personnel assignments for appropriate classification, security responsibilities, and separation of duties (III.C.1)	Required	Recommended	Optional
Background checks (III.C.1.b; III.F)	Required	Recommended	Optional
Third party agreements with data security language (III.F)	Required	Recommended	Optional
Take appropriate personnel/disciplinary action for violations of law or policy (III.C.1.c)	Required	Required	Required
Education and security awareness training (III.E)	Required	Recommended	Recommended

Controls Family	High Restricted Data	Medium Sensitive Data	Low Non-Confidential Data
Secure and accountable means of authorization and authentication (III.C.2.a)	Required	Required	Optional
Prompt modification or termination of access or access levels in response to authorization changes (III.C.1)	Required	Required	Optional
Password guidelines and password vulnerability assessment (III.C.2.b.i)	Required	Required	Required
Delete, redact or de-identify data whenever possible (III.C, third paragraph)	Required	Recommended	Optional
Do not store data on portable devices (III.C.3.e)	Required	Recommended	Optional
Incident response planning and notification procedures (III.D)	Required	Required	Required
Access and activity audit and logging procedures, including access attempts and privileged access (III.C.2.b.iii; III.C.2.f; Appendix D)	Required	Required for financial instruments; otherwise recommended	Optional
Application security: System and application development standards, application vulnerability assessment (test, development, and production)(II I.C.2.c.v)	Required	Required	Recommended
Authorized, documented change management procedures (III.C.2.e)	Required	Recommended	Optional
Backup systems supporting essential activities (III.C.2.c.ii)	Required	Required	Required

Controls Family	High Restricted Data	Medium Sensitive Data	Low Non-Confidential Data
Network firewalls and IDS/IPS (III.C.2.d)	Required	Recommended	Optional
Encryption: stored data (III.C.2.g; Appendix E) transmitted data (III.C.2.g; Appendix E) backups where physical security is at risk (III.C.2.c.ii; Appendix E) protective measures such as encryption for data on portable devices and media (III.C.2.g; (III.C.3.e) appropriate encryption key management to ensure the availability of encrypted authoritative information (III.C.2.g; Appendix E)	Required	Recommended	Optional
Ensure proper user authentication and authorization for users and administrators on all systems (III.C.2.b)	Required	Required	Recommended
Centralized log management, alerting on improper activity, and log retention (III.C.2.b)	Required	Recommended	Optional

Controls Family	High Restricted Data	Medium Sensitive Data	Low Non-Confidential Data
Physical access controls; Facility access controls (III.C.3.b)	Required	Required	Required
Disposal and re-use: Securely remove or destroy data before equipment or electronic media is re-deployed, recycled or disposed (III.C.3.d)	Required	Required	Recommended
Physical security for portable devices and media (III.C.3.e)	Required	Recommended	Optional
Track reassignment or movement of devices and stock inventories, including financial instruments, such as check stock and produced checks (III.C.3.c)	Required	Required for financial instruments; otherwise recommended	Optional
Document repairs and modifications to physical components of the facility related to security, such as hardware, walls, doors, and locks (III.C.3.c)	Required	Required for financial instruments; otherwise recommended	Optional
Disaster Recovery and Business Continuity Plan (III.C.3.a)	Required	Recommended	Optional